@phdthesis {, title = {Sistema sensorial de infrarrojos para la detecci{\'o}n de obst{\'a}culos en entornos ferroviarios}, year = {2006}, school = {Universidad de Alcal{\'a}}, author = {J. J. Garc{\'\i}a}, editor = {Manuel Mazo and Jes{\'u}s Ure{\~n}a} }